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How do I sort an observable collection?
...
}
return -1; // decide how to handle error case
}
usage:
Sample with an observer (used a Person class to keep it simple)
public class Person:IComparable<Person>,IEquatable<Person>
{
public string Name { g...
Moment.js: Date between dates
...is calculation always ignores the year. For example, If I give startDate ='05-01-2019', endDate = '05-31-2019' and date as '05-21-2017', it will give me result as "Yay", although it is false.
– Aakash Maurya
May 9 '19 at 8:44
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CSS - Expand float child DIV height to parent's height
...n't use this solution except as a last resort since it causes weird layout errors and unexpected cropping (or superimposed content) when your assumptions turn out to be faulty. In short: you don't want to do this unless you really need to.
– Eamon Nerbonne
Feb...
Why are C# 3.0 object initializer constructor parentheses optional?
...ve to come up with a rule resolving the ambiguity; we could not make it an error because that would then be a breaking change that changes an existing legal C# program into a broken program.
Therefore the rule would have to be very complicated: essentially that the parentheses are only optional in...
Create Directory if it doesn't exist with Ruby
...s. Assuming foo does not exist, you will receive no such file or directory error for:
Dir.mkdir 'foo/bar'
# => Errno::ENOENT: No such file or directory - 'foo/bar'
To create nested directories at once, FileUtils is needed:
require 'fileutils'
FileUtils.mkdir_p 'foo/bar'
# => ["foo/bar"]
...
Formatting NSDate into particular styles for both year, month, day, and hour, minute, seconds
...Rob Napier
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How to convert An NSInteger to an int?
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Commonly used in UIsegmentedControl, "error" appear when compiling in 64bits instead of 32bits, easy way for not pass it to a new variable is to use this tips, add (int):
[_monChiffre setUnite:(int)[_valUnites selectedSegmentIndex]];
instead of :
[_monChiffr...
How would one write object-oriented code in C? [closed]
...would be slightly different to C++ (a core dump at run-time rather than an error at compile time).
Here's a piece of sample code that demonstrates it. First the top-level class structure:
#include <stdio.h>
// The top-level class.
typedef struct sCommClass {
int (*open)(struct sCommCla...
Global access to Rake DSL methods is deprecated
... didn't have any luck with this resolution. It still came up with the same error after uninstalling rake 0.9.1 or 0.9.2 then running bundle update.
– Marc
Jun 15 '11 at 8:55
a...
Why are Standard iterator ranges [begin, end) instead of [begin, end]?
...use != when he should use <, then it is a bug. By the way, that king of error is easy to find with unit testing or assertions.
– Phil1970
May 12 '17 at 3:55
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